.EDU.PT domains are limited to public teaching establishments and owner of private or cooperative teaching establishments.

The domains registered in .PT may not:

- Correspond to words or expressions contrary to law, public order or morality
- Correspond to any top level Internet domain name in existence or in the process of being created
- Correspond to names that would mislead or cause confusion about their ownership, namely, by coinciding with notorious or prestigious trademarks that belong to another
- Correspond to any protocols, applications or terms of the Internet
- Correspond to a geographical name